18129099456

Names of 18129099456

• Cardinal: 18129099456 can be written as Eighteen billion, one hundred twenty-nine million, ninety-nine thousand, four hundred fifty-six.

Scientific notation

• Scientific notation: 1.8129099456 × 10¹⁰

Factors of 18129099456

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2088

Divisors of 18129099456

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 64 72 78 96 104 108 117 144 156 192 208 216 234 288 312 351 416 432 468 521 576 624 702 832 864 936 1042 1248 1404 1549 1563 1728 1872 2084 2496 2808 3098 3126 3744 4168 4647 4689 5616 6196 6252 6773 7488 8336 9294 9378 11232 12392 12504 13546 13941 14067 16672 18588 18756 20137 20319 22464 24784 25008 27092 27882 28134 33344 37176 37512 40274 40638 41823 49568 50016 54184 55764 56268 60411 60957 74352 75024 80548 81276 83646 99136 100032 108368 111528 112536 120822 121914 148704 150048 161096 162552 167292 181233 182871 216736 223056 225072 241644 243828 297408 300096 322192 325104 334584 362466 365742 433472 446112 450144 483288 487656 543699 644384 650208 669168 724932 731484 807029 892224 900288 966576 975312 1087398 1288768 1300416 1338336 1449864 1462968 1614058 1933152 1950624 2174796 2421087 2676672 2899728 2925936 3228116 3866304 3901248 4349592 4842174 5799456 5851872 6456232 7263261 8699184 9684348 10491377 11598912 11703744 12912464 14526522 17398368 19368696 20982754 21789783 25824928 29053044 31474131 34796736 38737392 41965508 43579566 51649856 58106088 62948262 77474784 83931016 87159132 94422393 116212176 125896524 154949568 167862032 174318264 188844786 232424352 251793048 283267179 335724064 348636528 377689572 464848704 503586096 566534358 671448128 697273056 755379144 1007172192 1133068716 1394546112 1510758288 2014344384 2266137432 3021516576 4532274864 6043033152 9064549728 18129099456
• Sum of all divisors σ(n): 57543192000
• Sum of proper divisors (its aliquot sum) s(n): 39414092544
• 18129099456 is an abundant number, because the sum of its proper divisors (39414092544) is greater than itself. Its abundance is 21284993088

Bases of 18129099456

• Binary: 10000111000100101000001101011000000₂
• Hexadecimal: 0x438941AC0
• Base-36: 8BTLIO0

Squares and roots of 18129099456

• 18129099456 squared (18129099456²) is 328664247085539495936
• 18129099456 cubed (18129099456³) is 5958386823045103661239851810816
• The square root of 18129099456 is 134644.3443149395
• The cube root of 18129099456 is 2626.9919613391

Scales and comparisons

• 18,129,099,456 seconds is equal to 576 years, 23 weeks, 2 days, 12 hours, 57 minutes, 36 seconds.
• To count from 1 to 18,129,099,456 would take you about one thousand, one hundred fifty-two years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 18129099456 cubic inches would be around 218.9 feet tall.

Recreational maths with 18129099456

• 18129099456 backwards is 65499092181
• 18129099456 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18129099456's digits is 54
• More coming soon!